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48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/*
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* Copyright (C) 2014 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License v2.1. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @ingroup drivers_rgbled
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* @{
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*
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* @file
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* @brief High-level driver for easy handling of RGB-LEDs
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*
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* @}
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*/
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#include "rgbled.h"
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/**
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* @name Drive the RGB-LED by default with 500Hz
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*/
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#define PWM_FREQU (500)
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/**
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* @name Set the default resolution to 8-bit per color (for a 24-bit color space)
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*/
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#define PWM_RES (256)
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void rgbled_init(rgbled_t *led, pwm_t pwm, int channel_r, int channel_g, int channel_b)
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{
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led->device = pwm;
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led->channel_r = channel_r;
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led->channel_g = channel_g;
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led->channel_b = channel_b;
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pwm_init(pwm, PWM_LEFT, PWM_FREQU, PWM_RES);
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}
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void rgbled_set(const rgbled_t *led, color_rgb_t *color)
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{
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pwm_set(led->device, led->channel_r, (unsigned int)color->r);
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pwm_set(led->device, led->channel_g, (unsigned int)color->g);
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pwm_set(led->device, led->channel_b, (unsigned int)color->b);
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}
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